I checked out that link and love the idea of building up a fence. I did notice that as I was piceing things together that my lines didn't always line up--it's gonna take a lot of practice to find and keep everything in that "sweet spot"
I was about half way through my quilt top when I thought I'd try out the paper piecing (for fun!) I quickly found out that what I THOUGHT was a 1/4-inch seam wasn't even close! Of course, my patterns basic and all my seams are the same, so who cares?